/*
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This file is a part of the CANN Open Software.
 * Licensed under CANN Open Software License Agreement Version 1.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

#include "matmul_l2_cache_custom_tiling.h"
#include <iostream>

namespace optiling {

bool ComputeTiling(optiling::TCubeTiling& tiling, matmul_tiling::MultiCoreMatmulTiling* cubeTiling,
                   const TestcaseParams& caseParams)
{
    uint32_t blockDim = caseParams.blockDim;
    uint32_t M = caseParams.m;
    uint32_t N = caseParams.n;
    uint32_t K = caseParams.k;
    bool isBias = caseParams.isBias;
    uint32_t splitTimes = caseParams.splitTimes;

    cubeTiling->SetDim(blockDim);
    cubeTiling->SetAType(matmul_tiling::TPosition::GM, matmul_tiling::CubeFormat::ND,
                         matmul_tiling::DataType::DT_FLOAT);
    cubeTiling->SetBType(matmul_tiling::TPosition::GM, matmul_tiling::CubeFormat::ND,
                         matmul_tiling::DataType::DT_FLOAT);
    cubeTiling->SetCType(matmul_tiling::TPosition::GM, matmul_tiling::CubeFormat::ND,
                         matmul_tiling::DataType::DT_FLOAT);
    cubeTiling->SetBiasType(matmul_tiling::TPosition::GM, matmul_tiling::CubeFormat::ND,
                            matmul_tiling::DataType::DT_FLOAT);
    cubeTiling->SetShape(M / splitTimes, N, K);
    cubeTiling->SetOrgShape(M, N, K);
    cubeTiling->EnableBias(isBias);
    cubeTiling->SetBufferSpace(-1, -1, -1);
    if (cubeTiling->GetTiling(tiling) == -1) {
        return false;
    }
    return true;
}

void GenerateTiling(const char* socVersion, const TestcaseParams& caseParams, std::uint8_t* tilingBuffer)
{
    optiling::TCubeTiling tilingData;
    auto ascendcPlatform = platform_ascendc::PlatformAscendCManager::GetInstance(socVersion);
    matmul_tiling::MultiCoreMatmulTiling cubeTiling(*ascendcPlatform);
    bool res = optiling::ComputeTiling(tilingData, &cubeTiling, caseParams);
    if (!res) {
        std::cout << "gen tiling failed" << std::endl;
    }

    uint32_t tilingSize = tilingData.GetDataSize();
    tilingData.SaveToBuffer(tilingBuffer, tilingSize);
}
} // optiling